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  <td class='title'><h1>TheoDORE</h1>
  <h4>A package for Theoretical Density, Orbital Relaxation and Exciton analysis</h4>
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<h3>Wavefunction analysis</h3>
<p>The TheoDORE (Theoretical Density, Orbital Relaxation and Exciton analysis) package is a general purpose program suite for the analysis of excited states obtained from quantum chemical excited state calculations.
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<h3>Density matrices</h3>
<p>Wavefunction analysis is based on state and transition density matrices, which provides a unified formalism applicable independent of the wavefunction model.
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<h3>Flexible implementation</h3>
<p>TheoDORE is interfaced to a number of quantum chemical programs (Q-Chem, Columbus, Turbomole, Molcas, Orca, Gaussian, Firefly, Terachem) and can be used for a wide range of excited state methods (CASSCF, MR-CI, ADC, CC, TDDFT).
It is written in a modular fashion to allow for an easy extension of these capabilities.</p>

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